1 files changed, 4 insertions, 2 deletions

diff --git a/sys/vm/vm_zone.c b/sys/vm/vm_zone.c
index 78c6f715138b..a1b1d3c3b6ee 100644
--- a/sys/vm/vm_zone.c
+++ b/sys/vm/vm_zone.c
@@ -373,7 +373,9 @@ _zget(vm_zone_t z)
 	KASSERT(z != NULL, ("invalid zone"));
 
 	if (z->zflags & ZONE_INTERRUPT) {
-		item = (char *) z->zkva + z->zpagecount * PAGE_SIZE;
+		nbytes = z->zpagecount * PAGE_SIZE;
+		nbytes -= nbytes % z->zsize;
+		item = (char *) z->zkva + nbytes;
 		for (i = 0; ((i < z->zalloc) && (z->zpagecount < z->zpagemax));
 		     i++) {
 			vm_offset_t zkva;
@@ -390,7 +392,7 @@ _zget(vm_zone_t z)
 			atomic_add_int(&zone_kmem_pages, 1);
 			cnt.v_wire_count++;
 		}
-		nitems = (i * PAGE_SIZE) / z->zsize;
+		nitems = ((z->zpagecount * PAGE_SIZE) - nbytes) / z->zsize;
 	} else {
 		/* Please check zdestroy() when changing this! */
 		nbytes = z->zalloc * PAGE_SIZE;